İzmit 시간을 Billingham 시간으로 변환
21:31:59
-3
18:31:59
+6
+6
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+3.5
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+2.5
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+2.5
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+2.5
+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
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+0
-1
-1
-1
-1
-2
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-2
-3
-3
-3
-6
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